How do you treat Alternaria blight?
How do you treat Alternaria blight?
Treatment for Alternaria requires fungicide to be sprayed directly on infected plants, as well as improvements in sanitation and crop rotation to prevent future outbreaks. Organic gardeners are limited to sprays of captan or copper fungicides, making control much more challenging.
What causes Alternaria leaf blight?
Alternaria is potentially caused by three pathogens: Alternaria brassicicola, A. brassicae, and A. raphani. Based on initial screenings, the primary species causing disease in Minnesota broccoli is Alternaria brassicicola.
Which disease is caused by Alternaria?
Alternaria alternata – Causes early blight of potato, Leaf spot disease in Withania somnifera and can infest many other plants. It also causes upper respiratory infections in AIDS patients, asthma in people with sensitivity, and has been implicated in chronic rhinosinusitis.
What is the best fungicide for Alternaria?
Liquid copper fungicides such as Monterey Liqui-Cop or Bonide Liquid Copper Fungicide are extremely effective for the control of many fungal diseases including alternaria.
How can you prevent blight?
Preventing Blight Read seed packages or plant labels carefully to select a tomato variety that is resistant to blight. Stake or cage tomato plants so that foliage grows vertically, off the ground. Mulch well around plants. When watering, use a soaker hose rather than an overhead sprinkler.
How do you treat Alternaria fungus?
Itraconazole is the antifungal drug used most frequently to successfully treat onychomycosis and cutaneous and subcutaneous infections. Posaconazole and voriconazole are promising therapeutic options, with the latter being especially so for oculomycosis.
Where is Alternaria found?
Alternaria is often found in soil and on mediums such as plants, cereal grains, grass, corn silage, rotten wood, bricks, canvas, iron, compost, and bird nests.
Where do you find Alternaria?
How is blight treated?
Treating Blight Once blight is positively identified, act quickly to prevent it from spreading. Remove all affected leaves and burn them or place them in the garbage. Mulch around the base of the plant with straw, wood chips or other natural mulch to prevent fungal spores in the soil from splashing on the plant.